#sectionDetail{
  position: relative;
  .book_cover{
    display: flex;
    flex-wrap: wrap;
    flex-direction: column;
    position: absolute;
    left: 0;
    top: 0;
    width: 250px;
    height: 150px;
    padding: 20px;
    background-color: #fff;
    .conver_img{
      width: 88px;
      height: 109px;
      margin-right: 2px;
    }
    .book_title{
      display: inline-block;
      font-size: 16px;
      font-weight: 800;
    }
    .book_info{
      font-size: 12px;
      color: #808080;
    }
  }
.chapter_list{
  left: 0;
  top: 160px;
  position: absolute;
  min-height: 760px;
  height: 100%;
  width: 250px;
  padding: 20px 18px;
  background-color: #fff;
  .chapters{
    .chapter{
      width: 100%;
      height: 20px;
      margin-bottom: 20px;
      &::before{
        content:">";
        width: 7px;
        height: 13px;
        margin-right: 18px;
      }
    }
  }
  .sections{
    display: none;
  }
    .section{
      padding-left: 40px;
      margin-bottom: 8px;
      font-size: 12px;
    }
}
.section_detail{
  position: absolute;
  left: 260px;
  width: 840px;
  height: 100%;
  padding: 15px 30px;
  min-height: 924px;
  background-color: #fff;
}
  .book_list{
    position: absolute;
    right: 0;
    ul{
      li{
        width: 152px;
        height: 52px;
        margin-bottom: 15px;
        border-radius: 20px;
        text-align: center;
        line-height: 52px;
        background-color: #fff;
        &:hover{
          background-color: #e6e6e6;
        }
      }
    }
  }
}
#book_li {
  border-bottom: 2px solid #0084ff;
}
